Finding the Fourth Proportional to 25,708,682.08, 35,479,090 and 15,393,433.76
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Solution
The fourth proportional to 25,708,682.08, 35,479,090 and 15,393,433.76 is: 21,243,602.46
Step by Step Solution
- Step 1: Write the proportion equation
25,708,682.08 : 35,479,090 = 15,393,433.76 : x - Step 2: Convert to fraction form
25,708,682.08/35,479,090 = 15,393,433.76/x - Step 3: Cross multiply
25,708,682.08x = 35,479,090 × 15,393,433.76 - Step 4: Simplify right side
25,708,682.08x = 546,145,021,780,078.38 - Step 5: Solve for x
x = 546,145,021,780,078.38/25,708,682.08 - Step 6: Final answer
x = 21,243,602.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.